260870000066 has 8 divisors (see below), whose sum is σ = 421405384764. Its totient is φ = 120401538480.

The previous prime is 260870000059. The next prime is 260870000117. The reversal of 260870000066 is 660000078062.

It can be written as a sum of positive squares in 2 ways, for example, as 251681819041 + 9188181025 = 501679^2 + 95855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 260869999990 and 260870000035.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5016730745 + ... + 5016730796.

Almost surely, 2^260870000066 is an apocalyptic number.

260870000066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

260870000066 is a deficient number, since it is larger than the sum of its proper divisors (160535384698).

260870000066 is a wasteful number, since it uses less digits than its factorization.

260870000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033461556.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 260870000066 in words is "two hundred sixty billion, eight hundred seventy million, sixty-six", and thus it is an aban number.